Mitosis tshwm sim hauv cov hlwb somatic; qhov no txhais tau hais tias nws tshwm sim hauv txhua hom hlwb uas tsis koom nrog hauv kev tsim cov gametes.
meiosis tshwm sim nyob qhov twg?
Meiosis tshwm sim hauv cov kab mob primordial, cov hlwb tau teev tseg rau kev sib deev thiab cais tawm ntawm lub cev lub cev somatic. Nyob rau hauv kev npaj rau meiosis, ib tug kab mob cell mus los ntawm interphase, thaum lub sij hawm uas tag nrho cov cell (xws li cov noob caj noob ces muaj nyob rau hauv lub nucleus) undergoes replication.
YPuas meiosis thiab mitosis tshwm sim hauv tib neeg?
Muaj ob txoj kev faib cell tuaj yeem tshwm sim hauv tib neeg thiab lwm yam tsiaj feem ntau, hu ua mitosis thiab meiosis. … Thaum ib lub xovtooj sib faib los ntawm txoj kev mitosis, nws tsim ob lub clones ntawm nws tus kheej, txhua tus muaj tib tus lej ntawm chromosomes. Thaum lub cell faib los ntawm meiosis, nws tsim plaub lub hlwb, hu ua gametes.
Puas meiosis tshwm sim hauv?
Meiosis tsuas yog tshwm sim hauv cov qe menyuam xwb, vim lub hom phiaj yog los tsim haploid gametes uas yuav siv rau hauv kev yug menyuam. Meiosis tseem ceeb rau, tab sis tsis zoo ib yam li, kev sib deev kev sib deev. Meiosis yog qhov tsim nyog rau kev sib deev kev sib deev kom tshwm sim, vim nws ua rau tsim gametes (phev thiab qe).
mitosis thiab meiosis tshwm sim li cas?
Feem ntau ntawm cov sij hawm thaum tib neeg hais txog "kev faib cell," lawv txhais tau tias mitosis, txheej txheem ntawm kev tsim cov hlwb tshiab. Meiosis yog hom cell faib uas tsim qe thiab phev hlwb … Thaum lub sij hawm mitosis, ib lub xov tooj ntawm tes duplicates tag nrho nws cov ntsiab lus, nrog rau nws cov chromosomes, thiab splits los ua ob lub hlwb zoo tib yam.